Flue expansion joint



J. A. FREIDAY FLUE EXPANSION JOINT Filed June ll 1927 2 Sheets-Sheet l lvwwtoz Jay /re day bin `July 9,1929. J. A. FREIDAY l 1.720.323

FLUE EXPANSION JOINT Fued June 1. 1927 z sheets-sheet 2 lieleuteil July 9, 19.29.

UNITED STATES ATENT OFFECE.

YAY A. FREIDAY, 0F EAST ORJMNGE, NEW ASSIGNOR TO THGMAS E. M'Ulh FLUE EXPANSIGN" JUINT.

.Application iled June l,

llllis invention irc-lotes to improvements .in eiqmnson joiue for liner-1` or conduits :mil llie like :unl :linie lio nroviile inenfml for preA Vonliiug ibo :icouniulelzion nl :fluo (luei, in euch joints.

',llho :inweulvioil will be oppormi.; from rglio followinir eneeilo:il1i n when remi in eon'neo tion Willi the n.:eiminniyirlg (.lrniwiugs in, whimlligf. l illiidllfnitfee :i boiler bovino; n, one oililolie line nroviileclfwith :ui oxrmneion joinl.y embodying my .inveulion g Yis o., longitudinal ,eeelioil on lino 53m-i12 oli .il`ig l; t

llig. l iis :i` iloiznil Section on line 3--3 oi lfiig. Z;

ifig. 4l ies :i Seotiouul pei peelnivo View illneizrzzlzing s'lrncurel details.

Referring.; lo Jelle flmwingge in (lelinil, l() ie n, eoi'wenlio'ool boiler lmvii'io'n ons oll'nlie flue or nino l2 which. ie conmreleil williL :i einiilnfr pine lll by .my inujiroved eXiinnHiou joint inilionl'eil :i whole :un lli. The pipe ll in lzho inolznllnl'ion shown ooni'ieigile with un. efibniwlu inn S Whiij-,h in burn eoimeoluo wiih n4 elinrk or '[lue 2l).

'The expansion joiul' 1G includes n. pair of onpofiitoly disposed 'flexible plnl'e;- 2&2. 2Li- 'whieh nre :ieeiu'eil lio lining-:4l annuler rings i216 :rml 2o Corrieri, by the pipes; 'l2 :unl M; rosneiftixf' bloom-eil to the outer portions oll libe plinio :nul 9.41: nre J:ille 'flange/il nnglee-inge.; il() :unl 32 which snipport :1,11 outer Shel l. f-lf. This shell is of sulniiluntinliy cyliuorieol form, the ends of which lernlinnrte :u: 236 :mil 238. A removable section Ll() :ibus the enifIs-s 256 undV -l oil? tbe shell :mil is Lle- {.iielmbljy' secured in plnoe by bolts 41:2 whioll linneo Jthrough 'lmnsverea-i :ingle bers 4S rivel'eil :ilu lo lo 'the oijidh4 oll (alie :ii-ouille pluie or Section All). Snif! bolle :l2 pnioiingg through the {longe-e o'i5 libe oui'er ring-:4 3() :inil 32.

llxpnnwion joinle herolzoilioro inseil have been ien:.l n'e .l proelni f:1ll. \j nselees in :1. short Jtime lzeenuee they gradually lill up with soot or eineloro :unl Siinilnr eoliil; v'ilvli lille result th: l ille 'llexiblo platee onnnol. :nove lo- 'nrrl one nnolwhei.' because oi' lzhe muse of oi11- (ler or flue doei; which. neounullziios behvoeu al'iem. The removable section 4l() permits rozuly removal oli :my neeuninl:ilzion between the pluies nml l also provide improved means for prevenl'ing aoennullnl'iou oilr lino dust (finders :uid the like between the flex- 1927. Serial No. 195,679.

ible nien'ibers ol1A alle joint. This; menne .in the eniboiliinenl; illuslrnefl oompa-ieee ileevelilo ln'iiligge o() wbioh is; eliilinlilv .weonreil lo the line sorliiou l'or exemple. lo' rivets 52 neming; Jilironf ;h lxbe rino' E2G@ lllio olfhor onil olf the sleeve or briilne :seelion t) :ilhliigly engages the ring; 2S oerrieil. by lnine or 'iue :seoiion il :so :is lo permit n. il'roe :nouw .nient lo :illow for einuiieion or eliggghlz .move- .nient relel'fively lo the pipe l2. ll' 'ii-i olonr llmi', 'lille briiigigi, or sleeve 5'() will` prrvonix :lin-:l1 or ollior soliils ilironi ilropnii'io' inlo he ohnnilor olif enclos-:eil by the ouler Shell 3M. thus; lho lust unil oiiriers (':uinol` zicounni* lzize und. iniorlero with jelle relai-ive :novenienl; oi (be flexible pluies :unl l.

Vnrioue' uioiiilionliions now be ,nnnlo willioniy :leper ino; Vlroni. bhe Vinvention :ni (lelineil in the :Lnpenileil elniius.

l. In. ooinbinnlzion willi two ,si :weil llne :motions forniii'lg' :in millet floot 'for ille prolluc'ls of combustion lironi :i boiler liurnnire or lille like, :in expziiwion ionlv between eniiil eeelione oonfilnising n. pnir ol)A oinioeilely lirinoeocl 'flexible pluies :im-,orafi lo eniil eoilone, flanged rims xQeonreil to eniil .flexible plate/Si :in oui'er Shell seoureil lo :miti .rune :mil encircling the gremio: porri; thereof, :1` Heeliou ilelfnolmbly eeonreifl lio rsziiil rime :unl elosino` the .winnie uol'y eovereil, by :mid outer shell und :i briflfe member lixeilly seouroil lo ono ilue soolnion :1nd lun/'inn' :i el V,:uanee Alzo perniiw relniliv'e niovoinenl', olI lle other seotioii.

2. ln eonibinario:1 wilh gwo spneeil flue Seolxiom: 'forming' :in mililel'y durft 'for lhe broiluee ol.i combustion ilfroni :1, boiler 'inl-nere or lhe like, :in exponsion joinl'y bol: woon ,en-itl JAY A. FREIDAY. 

